重力守恒定律
Null Conservation Laws for Gravity
摘要:
本文对有限边界引力系统的广义能量和超动量沿零面的守恒进行了全面的分析。特别是,我们解释的守恒方程中的一个典型的方式,揭示了一个概念的辛潜力和边界电流的内在零表面。这推广了在渐近无穷大或地平线上所做的类似分析。
英文摘要:
We give a full analysis of the conservation along null surfaces of generalized energy and super-momenta, for gravitational systems enclosed by a finite boundary. In particular we interpret the conservation equations in a canonical manner, revealing a notion of symplectic potential and a boundary current intrinsic to null surfaces. This generalizes similar analyses done at asymptotic infinity or on horizons.
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